IU is hiring a virologist. I am so excited. Come join a great group of scientists and people.
Cristina Landeta-Escamilla
@cris-s.bsky.social
Assistant Professor @Indiana University Bloomington | Studying disulfide bond formation in bacteria
Our virus story @growkudos.bsky.social www.growkudos.com/publications...
Giant viruses carry their own "chemical toolkit" to change the fats in the cells they infect
We found that giant viruses encode a key enzyme (VKOR) usually found in cells to perform redox reactions. This enzyme is part of a larger module that can modify membrane lipids. These "mini pathway" t...
growkudos.com
New research from IU microbiologist Cristina Landeta and undergrad Rebecca Collins shows that giant viruses carry previously unrecognized tools that may reshape how infected cells regulate redox balance and membrane composition. The study was published in PNAS. go.iu.edu/rBBx14 @cris-s.bsky.social
Our latest work was just published online in PNAS, we find vitamin K associated enzymes in giant viruses. Thank you to the authors for their work and stimulating discussions. www.pnas.org/doi/10.1073/...
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
pnas.org
Congratulations to IU microbiologist Cristina Landeta who was awarded two grants totaling $2.2 million to advance research on bacterial protein folding and antibiotic discovery. @cris-s.bsky.social 📖 go.iu.edu/KmfQL7
Notice of award!!! Have to celebrate and share specially in these times. To disulfide research for 5 more years 🍾🥳
Happy to share our latest work! Giant viruses are interesting organisms with a repertoire of genes that will take us some time to fully understand. Thank you to everyone who made possible this work, specially our colleagues at Marseille, Fr.
Giant viruses encode vitamin K-based redox modules for lipid modification https://www.biorxiv.org/content/10.64898/2026.03.26.714578v1
Histone H3K9 Methyltransferases Regulate Cortical Growth by Coordinating Heterochromatin Formation and Neural Progenitor Dynamics https://www.biorxiv.org/content/10.64898/2026.01.23.701405v1
Could folding systems in Clostridia bacteria make ideal drug targets? Cristina Landeta @cris-s.bsky.social takes us behind the scenes of their #Microbiology paper on investigating the machinery that build crucial disulphide bonds in bacterial cells microb.io/4oba348
Our latest work is now published! Please check it out. Congratulations to Adrian, Rebecca and @fireinlab.bsky.social for their hard work. I’m very proud of this piece, we found proteins that require oxidative protein folding in mycobacteria. journals.asm.org/doi/10.1128/...
journals.asm.org
Great collaboration with my Bloomington colleague @cris-s.bsky.social out now in #mbio #teammassspec journals.asm.org/doi/10.1128/...
Disulfide bonds are critical for stabilizing cell division, cell envelope biogenesis, and antibiotic resistance proteins in mycobacteria | mBio
This work addresses a major deficiency in understanding mycobacterial cell envelope processes and highlights the biological and clinical implications of oxidative protein folding in mycobacteria. This...
journals.asm.org
Congratulations Manuel and Baizabal lab for this 2025 seed grant from the Brain Research Foundation! 👏🏽🥳 www.thebrf.org/seed-grants/ @iubiology.bsky.social #iu #heterochromatin
Neurological Research Grants | Brain Research Seed Grants
BRF’s Seed Grant Program provides funds for innovative brain research projects that lead to future opportunities, collaboration, and scientific advancement. Learn more!
thebrf.org
Very VERY excited to see this addition to the SCIMaP project. @joshuasweitz.bsky.social @asinclair.bsky.social BOTTOM LINE: Proposed NIH cuts are estimated to result in ~50b in economic losses and over 200k job losses. But hey! How are those egg prices?? scienceimpacts.org/fy26
SCIMaP - Impacts of Federal Cuts to Science and Medical Research
Developed by an interdisciplinary research team, this website shows how funding cuts reduce economic activity and employment nationwide
scienceimpacts.org
For non-scientists: the funding rate is somewhere between 7% to ~25% (rare) for NIH or NSF grants, depending on where you are applying. Grants are reviewed by a panel of peers who read the grants, score them, then debate the ratings for 1-2 days to rank them. It is INCREDIBLY competitive already.
Republican Senator Katie Britt: We need to create a system "where the beat idea wins... This is our opportunity to make a dollar go further and to make it have a greater impact." (NIH already generates $2.56 for every $1 spent it spends on research.)
I urge others to similarly support our patriots at NIH who use their training and talents to improve human health and position the US as the world’s leader in biomedical discovery, innovation and technology development 🙏
Stanford's professor and Bethesda Declaration signatory @carolynbertozzi.bskyverified.social notes that the declaration “represents the voices of the highly trained Americans at NIH who want to serve their country and steward the biomedical enterprise.” 🧪 www.science.org/content/arti...
Trump’s NIH cuts aren’t just numbers. They are delayed cures, abandoned treatments, futures stolen, lives that will be lost. This is why we Stand Up For Science. #StandUpForScience #SummerFightForScience
“I would like to cure brain cancer. I think that's not particularly controversial.” Be that as it may, the NIH terminated that scientist's grant. Here's a huge survey of the 2,500 grants that NIH has killed or delayed...so far. Gift link: nyti.ms/43Jz1yJ
My lab and I attended the VIII Beckwith reunion at Hyannis, MA. Supper happy to see old time friends. It was great to catch up and discuss science, social issues in biology and talk about life!
HAPPY 75th, NSF! We’re celebrating this milestone by highlighting some of NSF’s most transformative accomplishments—innovations that have shaped our world and continue to drive progress in health, technology, the environment, and beyond. Read on 🧵(1/11):
As markets plummet again today from Trump's chaotic economic policies, ask yourself: Why would billionaires back policies that tank their own stock values? It’s the taxes. I wrote a step-by-step explainer of how billionaires avoid paying taxes. People are often surprised when I explain it.🧵
Buy, Borrow, Die: How Billionaires Legally Avoid Paying Taxes While the Rest of Us Can't
A Step-by-Step Guide to How the Ultra-Wealthy Minimize Their Tax Burden While Their Fortunes Multiply
open.substack.com
Thanks @standupforscience.bsky.social for organizing! @nytimes.com please report on this, the public deserves to understand how decreasing DEIA and funding in Science will impact them. Thanks @nature.com for live reporting! @goodtroublein.bsky.social @indivisible.org @iubiology.bsky.social
Breaking news: Thousands of researchers and their supporters, including recently fired federal workers, have gathered across the U.S. in response to layoffs and funding cuts ordered by the Trump administration. scim.ag/41zlPv4
Thousands gather across U.S. in Stand Up for Science events
Scientists rally across the country in response to layoffs and funding cuts ordered by the Trump administration
scim.ag
Stand up for Science Indianapolis. We need science not trillionaires!
It’s tomorrow!!! we will be in Indianapolis… que se oiga con fuerza: Fund science, not billionaires!
SO MANY STAND UP FOR SCIENCE EVENTS TO CHOOSE FROM—153 and COUNTING! To get more information on our local events and to register your own, head to www.standupforscience2025.org/local-event-information/ ☀️⬇️🌎
WHERE WILL YOU BE ON MARCH 7TH!? Head to www.standupforscience2025.org/local-event-information/ or the link in our bio to find your closest event—or add one if you're hosting one! #standupforscience2025
Spending isn't a “conspiracy” just because Musk doesn’t know how to read usaspending.gov. A program isn't waste just because it doesn’t help the richest man in the world. It isn't fraud just because he doesn’t like it. A law is not illegal just because he disagrees with it.
Love national parks? I'm lucky enough to live in one of the best parks in the world, and on Saturday we held a demonstration to protest the mass & indiscriminate firing of our friends and coworkers. #nationalparks #rangers #publicland #Yosemite #Firefall #fedworkers #massfiring #NPS #ProtectourParks
🚨 WANT TO HELP US STAND UP FOR SCIENCE? 🚨 Here's a little update on where we're currently at with the planning process! Is your state red or grey & you want to see an event happen? Fill out our volunteer form or share with a friend! airtable.com/app4h5wUssMG... #standupforscience2025
📢 “He’s trying to steal Medicaid to enrich himself. He’s gutting NASA to line his pockets with SpaceX. He’s looting everything good in America for private profit.” - @aoc.bsky.social at today’s #SaveOurServices NYC rally. The fight isn’t over. Join us: go.savepublicservices.com